RT @shaledaily: Marcellus, Utica Natural Gas Assessments Nea aspwv1970-01-01T00:00:00-05:00January 1st, 1970|Twitter| RT @shaledaily: Marcellus, Utica Natural Gas Assessments Nearly Doubled by USGS: The U.S. Geological Survey (USGS) on Thursday sharply rais… Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail